Patents for H03H 17 - Networks using digital techniques (9,654)
03/2002
03/07/2002US20020027480 Method to find a value within a range using weighted subranges
03/07/2002DE10039666A1 Digital signal phase and frequency estimation method involves reducing sampling rate of summed phase values, delaying phase values, such that resultant phase and frequency are constant over preset intervals
03/06/2002EP1184981A2 Oversampling fir filter, method for controlling the same and its use in a communication system
03/06/2002EP1184980A2 Digital receiver
03/06/2002CN1339216A Demodulator for processing digital signal
02/2002
02/28/2002WO2002017488A1 Partitioned block frequency domain adaptive filter
02/28/2002WO2002017486A1 Method for efficient and zero latency filtering in a long impulse response system
02/28/2002US20020025007 Receiver
02/28/2002US20020024526 Processing of a data set
02/27/2002EP1182815A1 Matched filter and method for determining correlation
02/27/2002CN1338149A Low-power programmable digital filter
02/26/2002US6351759 Digital channelizer having efficient architecture for discrete fourier transformation and operation thereof
02/26/2002US6351457 Method of and apparatus for identifying unknown system
02/26/2002US6351451 Digital multi-channel demultiplexer/multiplexer (MCD/M) architecture
02/21/2002US20020023115 Oversampling FIR filter, method for controlling the same, semiconductor integrated circuit having the same, and communication system for transmitting data filtered by the same
02/21/2002US20020023066 Biologically-based signal processing system applied to noise removal for signal extraction
02/21/2002US20020021686 System for using rapid acquisition spreading codes for spread-spectrum communications
02/21/2002US20020021153 Clock controlling method and circuit
02/20/2002CN1336602A Processor for data set
02/19/2002US6349118 Digital channelizer having efficient architecture for cyclic shifting and method of operation thereof
02/19/2002US6349112 Adaptive equalizer compensating signal distortion on transmission path
02/14/2002WO2001058017A3 Fir filter tap architecture for highly dense layout
02/14/2002US20020017965 Method to find a value within a range using weighted subranges
02/14/2002DE10036703A1 Method and device for correcting a resampler subjects a scanned-in input signal to an input scanning rate while using a chip frequency varying from an input frequency and a scan rate of an output signal matching the chip frequency.
02/13/2002EP1012969B1 Wideband channelization with variable sampling frequency
02/13/2002EP0972356B1 Combined parallel adaptive equalizer/echo canceller
02/13/2002CN1335677A Clock control method and electric circuit
02/12/2002US6347288 Automatic pole-zero adjustment circuit for an ionizing radiation spectroscopy system and method
02/12/2002US6347123 Low-current sample rate converter
02/07/2002WO2002009582A2 Method and apparatus for a morphology-preserving smoothing
02/07/2002US20020016691 Signal analyzing apparatus
02/07/2002US20020015504 Mixing apparatus with recording/reproducing function
02/06/2002EP1178687A1 Processing data packets having valid and some non-valid data items
02/06/2002CN1078983C Fractionally spaced equalizing circuits and method
02/05/2002US6345077 Correlation detecting method and matched filter unit
02/05/2002CA2108663C Filtering method and device for reducing digital audio signal pre-echoes
02/05/2002CA2069547C Sample rate converting filter
01/2002
01/31/2002WO2002009091A1 Frequency thinning device and method for compressing information by thinning out frequency components of signal
01/31/2002WO2001071931A3 Digital tuner with optimized clock frequency and integrated parallel cic filter and local oscillator
01/31/2002US20020013798 Low-power pulse-shaping digital filters
01/31/2002US20020012416 Method to find a value within a range using weighted subranges
01/31/2002US20020012390 Filter coefficient generator
01/31/2002US20020012389 Digital filter for IQ-generation, noise shaping and neighbour channel suppression
01/30/2002EP1176717A1 Programmable filter architecture
01/29/2002US6343130 Stereophonic sound processing system
01/24/2002US20020010728 Processor for FIR filtering
01/24/2002US20020010727 Area efficient fir filter with programmable coefficients
01/24/2002DE19934296C2 Prüfanordnung und Verfahren zum Testen eines digitalen elektronischen Filters Testing arrangement and method for testing a digital electronic filter
01/24/2002DE10033575A1 Digital signal frequency estimation method, involves superimposing triangular pulse signals output by differentiators and integrators, which are shifted by specific time period to form trapezoidal pulse signals
01/24/2002DE10032520A1 Interpolationsfilter und Verfahren zur digitalen Interpolation eines digitalen Signals And interpolation method for digital interpolation of a digital signal
01/23/2002EP1175054A1 Receiver
01/23/2002CN1332910A Circuit for multi-standard communications terminal
01/17/2002US20020006160 Adaptive filter having a small circuit scale with a low power consumption and tap-coefficients updating method of adaptive filter
01/17/2002US20020005071 Ultrasound imaging method and apparatus based on pulse compression technique using a spread spectrum signal
01/17/2002DE10045200C1 Transversal filter with finite impulse response e.g. for audio signals, has given group of calculated filter coefficients for symmetrical transversal filter suppressed with remaining filter coefficients unchanged
01/15/2002CA2100110C Auditory prosthesis for adaptively filtering selected auditory component by user activation and method for doing same
01/10/2002WO2002003550A1 Interpolation filter and method for digitally interpolating a digital signal
01/10/2002WO2002003382A1 Method of converting line spectral frequencies back to linear prediction coefficients
01/10/2002US20020003844 Circuit configuration for a multistandard communications terminal
01/09/2002EP1170863A2 Fir filter and setting method of coefficient thereof
01/09/2002CN1330809A Odd-transform fast convolution
01/09/2002CN1077743C Poly-phase filter, apparatus for compensating for timing error using the same and method
01/08/2002US6338077 Transfer function implementation using digital impedance synthesis
01/08/2002US6337645 Filter for digital-to-analog converters
01/08/2002US6337636 System and techniques for seismic data acquisition
01/03/2002US20020002572 Fir filter,method of operating the same, semiconductor integrated circuit including fir filter, and communication system for transmiting data filtered by fir filter
01/03/2002US20020000929 Signal processor with local signal behavior and predictive capability
01/03/2002US20020000891 Method to find a value within a range using weighted subranges
01/03/2002US20020000874 Band pass filter with improved group delay
01/03/2002US20020000842 Amplitude detecting circuit
01/03/2002DE10029424A1 Digitales Interpolationsfilter Digital interpolation filter
01/02/2002EP1168630A2 Amplitude detecting circuit
01/02/2002EP1168615A1 Transpose FIR filter architecture
01/02/2002EP1166442A1 Complex matched filter with reduced power consumption
01/02/2002EP1023727B1 Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
01/02/2002CN1329412A Phase adjustable baseband filtering optimization implementing method and its equipment
01/01/2002CA2059141C Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high quality audio
12/2001
12/27/2001WO2001099279A1 Signal peak reduction circuit for non-constant envelope modulation signals
12/27/2001WO2001099277A1 Universal sampling rate converter for digital audio frequencies
12/27/2001WO2001056154A3 Digital filter
12/27/2001US20010056450 Transpose FIR filter architecture
12/26/2001CN1328732A Reduced complexity and increased flexibility modified fast convolution algorithm
12/26/2001CN1328684A Periodicity enhancement in decoding wideband signals
12/26/2001CN1328683A High frequency content recovering methd and device for over-sampled synthesized wideband signal
12/26/2001CN1328682A Perceptual weighting device and method for efficient coding of wideband signals
12/26/2001CN1328681A Method and device for adaptive bandwidth pitch search in coding wideband signals
12/26/2001CN1328381A Method and device for implementing N-order interpolation filter
12/26/2001CN1076924C Fir filter apparatus for processing of time division multiplexed signals
12/25/2001CA2250554C Transceiver apparatus employing wideband fft channelizer and inverse fft combiner for multichannel communication network
12/20/2001WO2001097475A1 Channel equalizer
12/20/2001WO2001097376A1 Digital interpolation filter
12/19/2001EP1164704A1 Oversampling circuit and digital/analog converter
12/19/2001EP1164385A2 Ultrasound imaging method and apparatus based on pulse compression technique using a spread spectrum signal
12/19/2001EP1163721A1 Filter for digital to analog converters
12/19/2001EP1075734B1 Nonlinear system, method of design thereof and computer program product
12/18/2001US6332151 Time discrete filter
12/18/2001US6332136 Fuzzy filtering method and associated fuzzy filter
12/18/2001US6332000 Time division equalizer using system clock signal faster than symbol clock signal in high-speed communication
12/18/2001CA2209409C Adaptive speech filter
12/13/2001WO2001045253A3 Circuit arrangement and a method for the offset compensation of a signal
1 ... 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ... 97